On Wednesday, Apple released version 10.8.2 of its OS X Mountain Lion operating system. The new version, a 665 megabyte download, offers the following fixes and changes:

Facebook:
- Single sign on for Facebook.
- Adds Facebook as an option when sharing links and photos.
- See Facebook friends’ contact information and profile pictures in Contacts.
- Facebook notifications now appear in Notification Center.

Other new features:
- Adds Power Nap support for MacBook Air (Late 2010).
- iMessages sent to your phone number now appear in Messages on your Mac.
- You can now add passes to Passbook (on your iPhone or iPod touch) from – Safari and Mail on your Mac.
- FaceTime can now receive calls sent to your phone number.
- New shared Reminders lists.
- New sort options allow you to sort notes by title, the date you edited them, and when you created them.
- Dictation now supports additional languages: Mandarin, Cantonese, Spanish, Korean, Canadian English, Canadian French, and Italian.
- Dictionary app now includes a French definition dictionary.
- Sina Weibo profile photos can now be added to Contacts.

General fixes:
- Adds an option to discard the changes in the original document when choosing Save As.
- Unsent drafts are now opened automatically when launching Mail.
- Receive Twitter notifications for mentions and replies from anyone.
- URLs are shortened when sending tweets from Notification Center.
- Notifications are disabled when AirPlay Mirroring is being used.
- Adds SSL support for Google searches from the Smart Search Field in Safari.
- Adds a new preference to have Safari launch with previously open webpages.
- Resolves an issue that may cause the “Enable Autodiscover” checkbox to always remain checked.
- Enables access to the Mac App Store when Parental Controls are enabled.
- Support for @icloud.com email addresses.
- Resolves a video issue with some VGA projectors when connected to certain Mac notebooks.
- Addresses an issue that may prevent Active Directory accounts from being locked out.
- Resolves an issue that may cause the policy banner to re-appear prior to logging in.
- Improvements to SMB.
- Addresses an issue with NIS users when auto-login is enabled.
- Addresses an issue in which the Keychain may not be accessible.
- Ability to pre-authenticate a FileVault protected system.
- Addresses an issue that may cause Xsan to not automatically start after migrating from Mac OS X Snow Leopard.